CRT screen on/off animations user defined (1 of 2) - ported from TeamEOS

Users can dynamically enable or disable CRT Screen Off or the
elusive CRT Screen On animation.

Change-Id: If9e1052555e1fdbcc1c718c61b5972932b2d48fa

Conflicts:
	core/java/org/teameos/jellybean/settings/EOSConstants.java
	services/java/com/android/server/power/PowerManagerService.java